Caterpillar · Midi Excavator

Caterpillar 307B Midi Excavator Specs

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Overview

The Caterpillar 307B Midi Excavator is a midi excavator listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 55 hp, operating weight of 14,330 lb, working depth of 13.49 ft, reach of 20.35 ft, travel speed of 3.1 mph and fuel capacity of 35.7 gal. This model can be reviewed for excavation, trenching, loading, site preparation, and fleet comparison workflows. Use the full specifications table to compare the Caterpillar 307B Midi Excavator against similar midi excavator models by power, weight, capacity, dimensions, speed, and other technical values.

Key Specifications

Operating Weight
14,330.10
lb

Gross Power
55
hp

Max Digging Depth
13.49
ft

Full Specifications

53 specs

Dimensions

Boom/Stick Option (Hex) 1 boom w/ stick 1670mm

Ground Clearance 1.25 ft / 0.38 m

Height to Top of Cab 8.63 ft / 2.63 m

Length of Track on Ground 6.96 ft / 2.12 m

Max Cutting Height 23.92 ft / 7.29 m

Max Digging Depth 13.49 ft / 4.11 m

Max Loading Height 16.90 ft / 5.15 m

Max Reach Along Ground 20.35 ft / 6.20 m

Max Vertical Wall Digging Depth 11.95 ft / 3.64 m

Removal Counterweight Clearance 3 lb / 1 kg

Tail Swing Radius 5.75 ft / 1.75 m

Width To Outside Of Tracks 7.22 ft / 2.20 m

boom w/ stick 1670mm 2

Engine

Bore 3.70 in / 94 mm

Displacement 173 cu in / 2.8 L

Eec 80/1269 54

Engine Make 2251

Engine Model 4M40E1

Flywheel Power 54 hp / 40.3 kW

Fuel Capacity 35.70 gal / 135.1 L

Fuel Tank 35.70 gal / 135.1 L

Gross Power 55 hp / 41.0 kW

Hydraulic System Fluid Capacity 24.90 gal / 94.3 L

Hydraulic System Relief Valve Pressure 4,550 psi / 313.7 bar

Hydraulic Tank 15 gal / 56.8 L

Iso 9249 54

Operating Weight 14,330 lb / 6,500 kg

Sae J1349 54

Stroke 4 in / 102 mm

Travel Speed 3.10 mph / 5.0 km/h

Hydraulics

Blade - Maximum Flow 9 gal/min / 34.1 L/min

Blade System - Maximum Pressure 2,990 psi / 206.2 bar

Boom Cylinder - Bore 4.30 in / 109 mm

Boom Cylinder - Stroke 39.30 in / 998 mm

Engine Oil 1.90 gal / 7.2 L

Main Implement System - Maximum Flow (2x) 17 gal/min / 64.4 L/min

Maximum Pressure - Implements 3,980 psi / 274.4 bar

Maximum Pressure - Swing 3,980 psi / 274.4 bar

Maximum Pressure - Travel 4,550 psi / 313.7 bar

Pilot System - Maximum Flow 4.90 gal/min / 18.5 L/min

Pilot System - Maximum Pressure 500 psi / 34.5 bar

Stick Cylinder - Bore 3.50 in / 89 mm

Stick Cylinder - Stroke 36.70 in / 932 mm

Swing Boom System - Maximum Pressure 2,990 psi / 206.2 bar

Other

Cooling System 4 gal / 15.1 L

Final Drive - Each 0.5

Hydraulic System - Including Tank 24.80 gal / 93.9 L

Maximum Drawbar Pull 12,810 lb / 5,811 kg

Swing Drive - Each 0.40 deg

Undercarriage

Drawbar Pull 12,130 lb / 5,502 kg

Max Travel Speed 3.11 mph / 5.0 km/h

Shoe Size 17.72 in / 450 mm

Track Gauge 5.75 ft / 1.75 m

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Frequently Asked Questions

What is the operating weight of the Caterpillar 307B Midi Excavator? +

The Caterpillar 307B Midi Excavator has an operating weight of 14,330 lb (6,500 kg). This places it in a class suited for midi excavator applications where ground pressure and transport weight are key considerations.

How powerful is the Caterpillar 307B Midi Excavator engine? +

The Caterpillar 307B Midi Excavator produces 55 hp (41.0 kW) of engine power. This output is typical for its weight class and designed to handle demanding Midi Excavator work cycles efficiently.

What is the maximum digging depth of the Caterpillar 307B Midi Excavator? +

The Caterpillar 307B Midi Excavator has a maximum digging depth of 13.49 ft (4.11 m). This makes it suitable for trenching, foundation work, and other excavation tasks requiring vertical reach.

What is the maximum reach of the Caterpillar 307B Midi Excavator? +

The Caterpillar 307B Midi Excavator has a maximum reach along the ground of 20.35 ft (6.20 m), allowing it to work effectively across wide areas without repositioning.

What is the travel speed of the Caterpillar 307B Midi Excavator? +

The Caterpillar 307B Midi Excavator has a maximum travel speed of 3.1 mph (5.0 km/h), enabling efficient movement between work areas on the job site.

How does the Caterpillar 307B Midi Excavator compare to similar Midi Excavator models? +

You can compare the Caterpillar 307B Midi Excavator side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.